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Finding the Fourth Proportional to 1,941.57, 2,908.71 and 1,018.02

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Solution

The fourth proportional to 1,941.57, 2,908.71 and 1,018.02 is: 1,525.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.57 : 2,908.71 = 1,018.02 : x
  2. Step 2: Convert to fraction form
    1,941.57/2,908.71 = 1,018.02/x
  3. Step 3: Cross multiply
    1,941.57x = 2,908.71 × 1,018.02
  4. Step 4: Simplify right side
    1,941.57x = 2,961,119.50
  5. Step 5: Solve for x
    x = 2,961,119.50/1,941.57
  6. Step 6: Final answer
    x = 1,525.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.